2003 Subaru Forester Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Forester Year: 2003 Generation: Second Generation (SG) Codes Chassis Code: SG 👋 Introduction Market Position Segment: Compact Crossover SUV Usp: Standard Symmetrical All-Wheel...

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UGS: 286574

Mots clés: 2003 Car Cars Forester Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Forester

Year:

Generation:

Second Generation (SG)

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Compact Crossover SUV

Standard Symmetrical All-Wheel Drive (AWD) system, practical cargo space, excellent visibility.

Competitive Analysis

Key Competitors:

Honda CR-V, Toyota RAV4, Ford Escape, Nissan Xterra.

Key Features

Vehicle Type:

Compact Crossover SUV with Wagon-like versatility.

All Wheel Drive:

Standard Symmetrical AWD, a signature Subaru feature.

Body Style:

Five-door SUV with raised ground clearance.

Target Audience:

Active individuals and families seeking a versatile, capable, and safe vehicle for various conditions.

📋 Manual Details

Coverage Areas

Primary Coverage:

All repair procedures from A-Z

Visual Aids:

High Quality Photos, Illustrations, and Diagrams

Page Count

Estimated Page Count:

Variable, typically 2000+ pages for comprehensive workshop manuals

Manual Type

Type:

Workshop Service Repair Manual

Language

Language:

English

Format

Format:

Digital (likely PDF)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, disassembly, cylinder head, block, crankshaft, pistons, connecting rods, lubrication system, cooling system, intake and exhaust systems.

Engine Performance:

Engine control systems, fuel injection, ignition system, emissions control, turbocharger (if applicable).

Transmission:

Manual transmission (clutch, gearbox, drivetrain) and automatic transmission (torque converter, valve body, planetary gears, control systems).

Drivetrain:

All-Wheel Drive (AWD) system, differentials (front, rear, center), driveshafts, CV joints.

Suspension Steering:

Front and rear suspension components (struts, springs, control arms, bushings), power steering system, steering rack, tie rods.

Brakes:

Brake system hydraulics, ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), brake calipers, rotors, pads, parking brake.

Electrical Electronics:

Battery, charging system, starting system, lighting, instrumentation, body control module (BCM), power windows, locks, mirrors, audio system.

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system components, refrigerant, controls.

Body Chassis:

Body construction, exterior panels, doors, hood, tailgate, interior trim, body sealing, structural components.

Diagnostics Troubleshooting:

Diagnostic trouble codes (DTCs), fault finding charts, symptom-based troubleshooting guides.

Procedures Included

Maintenance:

Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug service, belt inspection/replacement.

Repair Overhaul:

Complete disassembly and reassembly of all major mechanical and electrical components, engine rebuilds, transmission overhauls, suspension component replacement.

Diagnosis:

Detailed diagnostic procedures for all systems, including electrical tracing and component testing.

Inspection:

Visual inspection guides, torque specifications for critical fasteners, wear limits for components.

Technical Depth

Depth:

Comprehensive, covering everything from basic fluid changes to full engine and transmission rebuilds. Includes detailed diagnostic procedures and wiring diagrams.

📊 Manual Specifications

File Format

Digital Format:

PDF (Portable Document Format) - typically searchable and printable.

Print Quality

Image Quality:

High quality, suitable for detailed viewing of photos, illustrations, and diagrams.

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Paper Quality:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Code:

EJ253 (Naturally Aspirated), EJ255 (Turbocharged - XT models)

Engine Type:

Horizontally Opposed (Boxer) 4-cylinder, DOHC

Displacement:

2.5 Liters (2457 cc)

Performance

Horsepower Na:

165 hp @ 5600 rpm (EJ253)

Torque Na:

170 lb-ft @ 4000 rpm (EJ253)

Horsepower Turbo:

210 hp @ 5600 rpm (EJ255 - XT models)

Torque Turbo:

235 lb-ft @ 3600 rpm (EJ255 - XT models)

Fuel System

Fuel Delivery:

Electronic Fuel Injection (EFI), Sequential Multiport Fuel Injection (SMPI)

Fuel Type:

Unleaded gasoline

Cooling System

Coolant Type:

Subaru Super Coolant (Blue) or equivalent silicate-free, long-life coolant.

Coolant Capacity:

Approx. 7.0 Liters (7.4 Quarts)

Lubrication

Oil Type:

SAE 5W-30 Synthetic or Semi-Synthetic Engine Oil

Oil Capacity:

Approx. 4.2 Liters (4.4 Quarts) with filter

Oil Filter Part Number:

Subaru 15208AA080 or equivalent (e.g., Wix 57712, Fram PH7317)

🔧 Transmission

Standard

Transmission Type Na:

4-Speed Automatic Transmission

Optional

Transmission Type Manual:

5-Speed Manual Transmission

Features

AWD Coupling:

Viscous coupling center differential in manual transmission models; electronically controlled multi-plate transfer clutch in automatic transmission models.

Automatic Fluid

Atf Type:

Subaru ATF-HP (High Performance) or equivalent Dexron III/Mercon.

Atf Capacity:

Approx. 4.1 Liters (4.3 Quarts) for refill, 7.0 Liters (7.4 Quarts) for overhaul.

Manual Fluid

Mtf Type:

Subaru Manual Transmission Fluid (API GL-5, SAE 75W-90)

Mtf Capacity:

Approx. 2.0 Liters (2.1 Quarts)

📐 Dimensions

Exterior

Length:

4,405 mm (173.4 in)

Width:

1,735 mm (68.3 in)

Height:

1,590 mm (62.6 in)

Wheelbase:

2,630 mm (103.5 in)

Ground Clearance:

195 mm (7.7 in)

Weights

Curb Weight Manual:

Approx. 1,470 kg (3,240 lbs)

Curb Weight Automatic:

Approx. 1,520 kg (3,350 lbs)

Gross Vehicle Weight Rating:

Approx. 2,040 kg (4,500 lbs)

Cargo

Cargo Volume Seats Up:

Approx. 0.83 m³ (29.3 cu ft)

Cargo Volume Seats Down:

Approx. 1.86 m³ (65.7 cu ft)

🛡️ Safety Features

Ratings

NHTSA Rollover Rating 2003:

4 out of 5 stars

IIHS Frontal Offset Rating:

IIHS Side Impact Rating:

Acceptable (with optional side airbags)

Active Features

Standard Anti-lock Braking System (ABS)

Standard Electronic Brake-force Distribution (EBD)

Traction Control:

Available Traction Control System (TCS) on some models/trims.

Passive Features

Airbags Standard:

Driver and front passenger airbags.

Airbags Optional:

Optional front-seat mounted side airbags.

Seatbelts:

Three-point seatbelts with pretensioners and force limiters for front seats.

Child Anchors:

LATCH (Lower Anchors and Tethers for Children) system.

💡 Technology Features

Infotainment

Audio System:

Standard AM/FM/CD audio system with 4 or 6 speakers. Optional premium audio and subwoofer.

Navigation:

Optional factory-installed navigation system available on higher trims.

Driver Assistance

Cruise Control:

Standard cruise control.

All Wheel Drive Benefit:

Provides enhanced traction and stability in various weather and road conditions.

Connectivity

Auxiliary Input:

May be available on some later models or aftermarket installations.

Controls

Climate Control:

Manual climate control standard; automatic climate control available on higher trims.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first, under normal driving conditions. (Refer to manual for severe conditions).

Air Filter Replacement:

Every 30,000 miles (48,000 km).

Cabin Filter Replacement:

Every 15,000 miles (24,000 km) or annually.

Spark Plug Replacement:

Every 105,000 miles (168,000 km) for iridium-tipped spark plugs (standard on most).

Coolant Replacement:

First replacement at 105,000 miles (168,000 km) or 7 years, then every 52,500 miles (84,000 km) or 5 years thereafter.

Timing Belt Replacement:

Not applicable, EJ series engines utilize a timing chain or are belt-driven with replacement recommended every 105,000 miles (168,000 km) or 7 years if belt-driven.

Fluid Specifications

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Power Steering Fluid Type:

Subaru Genuine Power Steering Fluid or Dexron III/Mercon ATF.

Known Issues

Head Gaskets:

While the EJ253 in this generation is generally more robust than earlier iterations, head gasket seepage or failure can still occur, particularly with overheating or poor maintenance.

Awt System Issues:

Occasional issues with the viscous center coupling in manual transmissions or the electronic clutch in automatics, especially with high mileage or improper fluid changes.

Suspension Wear:

Wear on suspension bushings and struts is common with age and mileage, leading to noise or a less composed ride.

Oil Leaks:

Valve cover gasket and oil pan gasket leaks can develop over time.

📚 Vehicle History

Brand Heritage

Manufacturer:

Subaru Corporation (formerly Fuji Heavy Industries)

Core Philosophy:

Emphasis on All-Wheel Drive technology, boxer engines, and practical vehicle designs.

Model Evolution

First Generation:

Launched in 1997, based on the Subaru Impreza platform.

Second Generation Launch:

Introduced for the 2003 model year (SG chassis).

Key Changes Sg:

Larger dimensions, revised styling, improved interior, optional turbocharged engine (XT model), enhanced AWD systems.

Production

Manufacturing Location:

Gunma Plant, Japan

Production Years:

2003-2008 for the second generation (SG).

🏆 Awards & Recognition

Recognitions

Safety Awards General:

Often recognized for its safety, achieving good ratings from IIHS and NHTSA.

Utility Awards:

Praised for its practicality and AWD capability, making it a popular choice for outdoor enthusiasts.

Ratings

Consumer Reports Typical Ratings:

Generally received average to above-average reliability ratings, with some components like head gaskets noted as potential areas of concern.